我决定学习西班牙语，只是为了消遣。

I decided to learn Spanish, just for fun.

《牛津词典》

它不需要向其他狗学习如何吠叫，它只是吠叫。

It barks without having to learn how from other dogs, it just barks.

youdao

就现在来讲，只是努力学习，学习那些能助你成功的材料。

As far as right now, just study hard and learn the materials that will help you succeed.

youdao

instead of just picking up a book and trying to learn English vocabulary and English grammar structures.

而不只是拿起书，努力学习英语单词和语法结构。

如果想提高英语水平 - SpeakingMax英语口语达人

Are you among those more comfortable, have you taken any computer science, were you programming at the age of 10 but you'd actually like to learn a bit about things you don't yet know and challenge yourself with new content or are you somewhere in between?

你对电脑比较熟悉么，你上过计算机专业方面的课程吗？,你是不是10岁就会编程,来上课的目的只是为了学习未知的知识,或者用新知识来挑战战自我？,还是二者兼有？

哈佛公开课 - 计算机科学课程节选

It's like the part of the brain that's responsible for language learning is only around early in development and if you don't get your language by then it'll just run out.

就好像负责语言学习的大脑区域,只是在发展的早期比较活跃,如果你没有在这个时候获得语言,那你就没有机会了

耶鲁公开课 - 心理学导论课程节选